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6360463 |
Conversion display drive mechanism
A convertible sign mechanism is provided which comprises a convertible sign member that is rotatable about an axis. The convertible sign member is capable of rotating at a variable velocity. A...
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5980412 |
Cam follower automatic torque converter transmission
A fully automatic infinitely variable torque converter bicycle transmission makes use of cam followers acting between a driver wheel connected with an input and a follower wheel connected with an...
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5415422 |
Rider propelled vehicle drive assembly
A rider propelled vehicle includes a frame having a hub portion. Each of two cranks has a crank shaft extending into the hub portion and mounted on the hub portion for rotation relative thereto...
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5239879 |
Simple stepless variables transmission
A simple stepless variable transmission in which rotation of an input shaft (10) is translated into circular motion of an input stage arm (16) which is then converted into periodic rotation of an...
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5176075 |
Machines for handling or working materials in laminar or sheet form
A control mechanism for driving a movable lower platen in a platen press or similar machine including a fixed upper platen, the movable lower platen adapted for movement towards and away from the...
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5159846 |
Apparatus for moving an indexing table
An apparatus for rotatably moving and positioning an indexing table is disclosed. The apparatus of the present invention allows an indexing table to be quickly rotated between a plurality of index...
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5113712 |
Simple stepless variable transmission
A simple stepless variable transmission in which rotation of an input shaft is translated into circular motion of an input stage arm which is then converted into periodic rotation of an...
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4950199 |
Mechanical push-toy
The present invention relates to a novel push toy that includes a handle having a main shaft connected to an axle which includes at least two substantially circular members rotatably fitted...
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4772252 |
Driving gear for vehicles particularly for bicycles
The invention realizes fluent drive without dead points by continuously cging the angle between the levers (13,14) of the pedals (1). The two pedal levers (13,14) are fixed to two separate shafts...
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4671400 |
Wear take-up assembly for the actuating arrangement of a coupling device such as a clutch
The wear take-up assembly comprises ratchet engagement device (51) which is interposed between a toothed sector (42) and a lever assembly (19). The toothed sector (42) co-operates with a positioner...
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4502678 |
Sheet accelerating device
A sheet accelerating device driven by the single-revolution shaft of a feeding attachment with a front-feed unit which runs faster or slower than the single-revolution shaft is constructed in such...
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4459866 |
Non-uniform drive with balancing of masses
Non-uniform drive comprising a flywheel disc for balancing masses and a slide crank drive in which the crank pin is guided in a slideway provides for an adjustable spacing between the crank shaft...
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4347752 |
Apparatus for converting rotary motion to a rectilinear force
Apparatus for converting rotary motion from a source of power which may be of constant speed into a rectilinear force includes a coupling arrangement for driving an eccentrically unbalanced...
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4333372 |
Rotary cross-cutting apparatus for cutting continuously moving webs
A cutting apparatus with two cooperating rotatable cutting knives is driven by a driving shaft rotating at a constant speed and includes a speed controller in the form of an interlocking rotatable...
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4291591 |
Double-shuttle motion transmitting apparatus
Motion transmitting apparatus includes a case member, a pair of coaxial shaft members, and a pair of shuttle members. The members rotate about the shaft axis in unison as a differential mechanism,...
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4269292 |
Drive mechanism for a high speed film transport and the like
A lost-motion drive mechanism is provided which is particularly, although not exclusively, adapted for use as a high speed transport for an X-ray film, or the like, in an X-ray camera. The drive...
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4268343 |
Machine for working on a web of material by means of a welding tool
A first drive apparatus for a thermoplastic web operates at an automatically adjusted, substantially constant, speed to deliver the thermoplastic web to a welding tool which rotates with a second...
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4125239 |
Pedal mechanism
A pedal mechanism for a bicycle having a pedal crank formed of two telescopic elements, one of which is fixed the other being controlled by an assembly designed to impart thereto a reciprocating...
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4096763 |
Hypocycloidal reduction gearing
A gear reduction mechanism wherein a modification of the hypocycloidal principle is used. The planet gear of the hypocycloidal arrangement has at least one-half tooth more or less teeth than...
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4075896 |
Mechanism for the variable-speed drive of the automatic sheet feeder drum
The present invention relates to a variable-speed drive mechanism for the drum of an automatic sheet feeder.It is known that the collators for signatures and single sheets are provided with...
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3805628 |
TRANSMISSIONS
A slider crank type of cyclic transmission comprises a radially slotted member on one shaft and a crank member on the other shaft which slidably engages in the slot. The axes of the two shafts are...
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3753300 |
ORRERY PROJECTION AND DRIVE
Each image projector is suspended by and within a ring about a pair of axes perpendicular to each other and to the image projection axis. The image projector is driven simultaneously about both...
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3745865 |
CYCLIC VARIABLE SPEED DRIVE
A variable speed drive employing two crank and slider mechanisms so that the speed change created by each of the slider crank mechanisms is multiplied by the speed change created by the other...
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3702487 |
CIRCULARLY SWEEPING TOOTHBRUSH
A circularly movable mechanical toothbrush having a crank-shaped drive shaft and a reciprocative connecting means that maintains the bristles disposed at all times toward selected teeth,...
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3530731 |
INDEXING MEANS FOR INJECTION MOLDING MACHINE
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3525267 |
CRANK DRIVE
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3491610 |
DEVICE FOR TRANSMISSION OF A TURNING MOMENT OR TORQUE FROM A DRIVING PART TO A DRIVEN PART
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3554042 |
CONTINUOUS REGULATABLE DRIVE
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3455173 |
SOLDERLESS SAFETY-LOCK TANGENT ARM ASSEMBLY
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3407628 |
Parallel shaft coupling
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3295381 |
Mechanical index drive
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3287984 |
Mechanical oscillation generator
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3286536 |
Driving mechanisms more particularly for the movement of picture films
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3267750 |
Cam speed adjusting mechanism
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3263514 |
Device for driving in rotation a driven shaft from a driving shaft
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3202262 |
Reciprocating pusher transfer apparatus
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3175544 |
Internal combustion engines
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3172288 |
Antifriction drive stud for a gas meter valve
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3134266 |
Motion converting mechanism
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3111853 |
Means for correcting or imparting cyclic variations in angular position of or to a rotating shaft or the like
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3103799 |
Angular rotary drive
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3087355 |
Constantly variable speed transmission
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3056345 |
Twine arm and control therefor
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3047310 |
Bicycle driving mechanism
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3028761 |
Hermetically sealed rotary shaft coupling
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2975645 |
Gearless transmission
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2971489 |
Rudder control
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2947184 |
Variable speed transmission
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2930230 |
Crank accelerator
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2897730 |
Apparatus for manufacturing bag tubes
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